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3DCityDB (11/04/2008 12:49 pm)
The 3D City Database is a free 3D geo database to store, represent, and manage virtual 3D city models on top of a standard spatial relational database. The database model contains semantically rich, hierarchically structured, multi-scale urban objects facilitating complex GIS modeling and analysis tasks, far beyond visualization. The schema of the 3D City Database is based on the City Geography Markup Language (CityGML), an international standard for representing and exchanging virtual 3D city models. ...
Importer/Exporter (11/04/2008 12:48 pm)
The 3D City Database Importer/Exporter is a Java based front-end for the 3D City Database (see 3DCityDBv2 project for details). It allows for high-performance importing and exporting spatial data for a virtual 3D city model. The City Geography Markup Language (CityGML) is used as data exchange format and CityGML instance documents of arbitrary file size are supported....
citygml4j (11/04/2008 12:35 pm)
citygml4j is a Java class library and API for facilitating work with the City Geography Markup Language (CityGML). citygml4j makes it easy to read, process, and write CityGML datasets, and to develop CityGML-aware software applications....